Material Parameter Tracks don't transfer when converting Matinee to Sequencer(Showdown VR Demo)

Sequencer - Sep 18, 2017

-Material Parameter tracks are not converted when converting it to a matinee to a level sequence asset Example: SplineRocketTrail smoke trails are not appearing when playing Matinee for Showdown VR ...

Default value lost when placing a struct within a user defined struct

Gameplay - Blueprint Editor - Sep 18, 2017

The default value of a child struct that is added to anther struct is not retained in the parent. An example would be if the child struct contains an integer, the default value when added to another ...

Variables in Child Actor Template not Updating from Construction Script

Gameplay - Blueprint - Sep 18, 2017

Project showing the issue attached. Variables in child actor template not updating based on changes made in child actor's construction script. Per licensee, "I'm basically trying to make a child a ...

Slate Widget STileView Scrolling Mouse Wheel Lock

Tools - Sep 15, 2017

When using the mouse wheel to scroll nested scroll boxes, scrolling up no longer works once the inner tile view has been scrolled to the top. Regression: Yes, this behavior does not occur in 4.16.3 ...

MSAA breaks post process material comparing Scene / Custom Depth

Rendering - Sep 15, 2017

The expected behavior for the attached project is to highlight meshes / portions of meshes that are obstructed from view. When using MSAA, the entire mesh is highlighted rather than only the obstru ...

Adding Text Widget BP as "Widget Class" in Actor Class BP and compiling multiple times, changes Text visibility in Viewport

Tools - Sep 15, 2017

Adding a new Text Widget Blueprint as a Widget Class to a new Actor Class Blueprint changes the visibility of the Text in the Viewport when compiling the Widget Blueprint multiple times. Regressio ...

[CrashReport] Linux crash - FMonitoredProcess::Launch()

Platform - Linux - Sep 14, 2017

This is an infrequent Linux crash occurring in 4.17.1. Callstack from Log[2017.09.06-15.26.30:028][666]LogLinux: Error: appError called: Assertion failed: Assertion failed: [File:/home/***/.local/ ...

C++ Classes subfolders cannot be viewed in CB if Sources Panel is closed

Tools - Content Browser - Sep 14, 2017

When a new class is added to a subfolder, by entering the folder name in the Add C++ Class - Path field, navigating to the new subfolder doesn't work if the Content Brower's Sources Panel is closed ...

Render state for InstanceStaticMesh doesn't recreate after modification of instances list with RemoveInstance

Gameplay - Blueprint - Sep 14, 2017

When Remove Instance is called for an instance static mesh component, the render state is not properly updated, causing some of the instances to not be visible. Workaround: Forcing a call to PostEd ...

Cannot paste text into Text Box in HTML5 build

Platform - Mobile - Sep 14, 2017

With HTML 5 Packages you cannot use the windows clipboard to paste things into the text box. This issue does not occur with other builds of the project. This issue does not appear to be a regression ...